<?php

/**
 * PHPTAL templating engine
 *
 * PHP Version 5
 *
 * @category HTML
 * @package  PHPTAL
 * @author   Laurent Bedubourg <lbedubourg@motion-twin.com>
 * @author   Kornel Lesiński <kornel@aardvarkmedia.co.uk>
 * @license  http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
 * @version  SVN: $Id$
 * @link     http://phptal.org/
 */

/**
 * Finds template on disk by looking through repositories first
 *
 * @package PHPTAL
 */
class PHPTAL_FileSourceResolver implements PHPTAL_SourceResolver {

  public function __construct($repositories) {
    $this->_repositories = $repositories;
  }

  public function resolve($path) {
    foreach ($this->_repositories as $repository) {
      $file = $repository . DIRECTORY_SEPARATOR . $path;
      if (file_exists($file)) {
        return new PHPTAL_FileSource($file);
      }
    }

    if (file_exists($path)) {
      return new PHPTAL_FileSource($path);
    }

    return null;
  }

  private $_repositories;

}
